diff options
Diffstat (limited to 'hw/zaurus.c')
-rw-r--r-- | hw/zaurus.c | 111 |
1 files changed, 51 insertions, 60 deletions
diff --git a/hw/zaurus.c b/hw/zaurus.c index 36be94a..fca11a5 100644 --- a/hw/zaurus.c +++ b/hw/zaurus.c @@ -18,15 +18,17 @@ #include "hw.h" #include "pxa.h" #include "sharpsl.h" +#include "sysbus.h" #undef REG_FMT #define REG_FMT "0x%02lx" /* SCOOP devices */ +typedef struct ScoopInfo ScoopInfo; struct ScoopInfo { + SysBusDevice busdev; qemu_irq handler[16]; - qemu_irq *in; uint16_t status; uint16_t power; uint32_t gpio_level; @@ -153,7 +155,7 @@ static CPUWriteMemoryFunc * const scoop_writefn[] = { scoop_writeb, }; -void scoop_gpio_set(void *opaque, int line, int level) +static void scoop_gpio_set(void *opaque, int line, int level) { ScoopInfo *s = (ScoopInfo *) opaque; @@ -163,77 +165,66 @@ void scoop_gpio_set(void *opaque, int line, int level) s->gpio_level &= ~(1 << line); } -qemu_irq *scoop_gpio_in_get(ScoopInfo *s) +static int scoop_init(SysBusDevice *dev) { - return s->in; -} + ScoopInfo *s = FROM_SYSBUS(ScoopInfo, dev); + int iomemtype; -void scoop_gpio_out_set(ScoopInfo *s, int line, - qemu_irq handler) { - if (line >= 16) { - fprintf(stderr, "No GPIO pin %i\n", line); - exit(-1); - } + s->status = 0x02; + qdev_init_gpio_out(&s->busdev.qdev, s->handler, 16); + qdev_init_gpio_in(&s->busdev.qdev, scoop_gpio_set, 16); + iomemtype = cpu_register_io_memory(scoop_readfn, + scoop_writefn, s, DEVICE_NATIVE_ENDIAN); - s->handler[line] = handler; -} + sysbus_init_mmio(dev, 0x1000, iomemtype); -static void scoop_save(QEMUFile *f, void *opaque) -{ - ScoopInfo *s = (ScoopInfo *) opaque; - qemu_put_be16s(f, &s->status); - qemu_put_be16s(f, &s->power); - qemu_put_be32s(f, &s->gpio_level); - qemu_put_be32s(f, &s->gpio_dir); - qemu_put_be32s(f, &s->prev_level); - qemu_put_be16s(f, &s->mcr); - qemu_put_be16s(f, &s->cdr); - qemu_put_be16s(f, &s->ccr); - qemu_put_be16s(f, &s->irr); - qemu_put_be16s(f, &s->imr); - qemu_put_be16s(f, &s->isr); + return 0; } -static int scoop_load(QEMUFile *f, void *opaque, int version_id) +static bool is_version_0 (void *opaque, int version_id) { - uint16_t dummy; - ScoopInfo *s = (ScoopInfo *) opaque; - qemu_get_be16s(f, &s->status); - qemu_get_be16s(f, &s->power); - qemu_get_be32s(f, &s->gpio_level); - qemu_get_be32s(f, &s->gpio_dir); - qemu_get_be32s(f, &s->prev_level); - qemu_get_be16s(f, &s->mcr); - qemu_get_be16s(f, &s->cdr); - qemu_get_be16s(f, &s->ccr); - qemu_get_be16s(f, &s->irr); - qemu_get_be16s(f, &s->imr); - qemu_get_be16s(f, &s->isr); - if (version_id < 1) - qemu_get_be16s(f, &dummy); - - return 0; + return version_id == 0; } -ScoopInfo *scoop_init(PXA2xxState *cpu, - int instance, - target_phys_addr_t target_base) { - int iomemtype; - ScoopInfo *s; - s = (ScoopInfo *) - qemu_mallocz(sizeof(ScoopInfo)); - memset(s, 0, sizeof(ScoopInfo)); +static const VMStateDescription vmstate_scoop_regs = { + .name = "scoop", + .version_id = 1, + .minimum_version_id = 0, + .minimum_version_id_old = 0, + .fields = (VMStateField []) { + VMSTATE_UINT16(status, ScoopInfo), + VMSTATE_UINT16(power, ScoopInfo), + VMSTATE_UINT32(gpio_level, ScoopInfo), + VMSTATE_UINT32(gpio_dir, ScoopInfo), + VMSTATE_UINT32(prev_level, ScoopInfo), + VMSTATE_UINT16(mcr, ScoopInfo), + VMSTATE_UINT16(cdr, ScoopInfo), + VMSTATE_UINT16(ccr, ScoopInfo), + VMSTATE_UINT16(irr, ScoopInfo), + VMSTATE_UINT16(imr, ScoopInfo), + VMSTATE_UINT16(isr, ScoopInfo), + VMSTATE_UNUSED_TEST(is_version_0, 2), + VMSTATE_END_OF_LIST(), + }, +}; - s->status = 0x02; - s->in = qemu_allocate_irqs(scoop_gpio_set, s, 16); - iomemtype = cpu_register_io_memory(scoop_readfn, - scoop_writefn, s, DEVICE_NATIVE_ENDIAN); - cpu_register_physical_memory(target_base, 0x1000, iomemtype); - register_savevm(NULL, "scoop", instance, 1, scoop_save, scoop_load, s); +static SysBusDeviceInfo scoop_sysbus_info = { + .init = scoop_init, + .qdev.name = "scoop", + .qdev.desc = "Scoop2 Sharp custom ASIC", + .qdev.size = sizeof(ScoopInfo), + .qdev.vmsd = &vmstate_scoop_regs, + .qdev.props = (Property[]) { + DEFINE_PROP_END_OF_LIST(), + } +}; - return s; +static void scoop_register(void) +{ + sysbus_register_withprop(&scoop_sysbus_info); } +device_init(scoop_register); /* Write the bootloader parameters memory area. */ |